body {
    margin: 0 20px;
    background-color: #f8f6f5;
    color: #383838;
}

.picture {
    width: auto;
    background-repeat: no-repeat;
    background-size: 100% auto;
    background-position: 50% 50%;
    height: 217px;
}

.meal_name {
    font-weight: bold;
    margin-top: 20px;
    font-size: 25px;
}

.introduction {
    margin-top: 20px;
    line-height: 25px;
}

.material {
    font-size: 18px;
    padding-bottom: 15px;
    margin-top: 20px;
    border-bottom: 1px solid lightgrey;
    font-weight: bold;
}

.material_list {
    height: 25px;
    padding-top: 7px;
    padding-bottom: 7px;
    border-bottom: 1px solid lightgrey;
}

.material_name {
    width: 50%;
    float: left;
    color: #aa2105;
    font-size: 17px;
}

.material_count {
    color: #777;;
    width: 50%;
    overflow: hidden;
    font-size: 18px;
}

.method {
    font-weight: bold;
    margin-top: 20px;
    font-size: 20px;
}

.index {
    font-size: 26px;
    float: left;
    font-family: sans-serif;
    font-weight: bold;
}

.method_content {
    padding-left: 15px;
    padding-top: 3px;
    overflow: hidden;
    font-size: 18px;
    font-weight: normal;
    color: #383838;
}

.ul {
    line-height: 50px;
    padding: 0;
    list-style-type: none;
}

.tips {
    font-weight: bold;
    font-size: 15px;
    margin-left: 30px;
    margin-bottom: 20px;
}

.tips_content {
    font-size: 15px;
    color: #777;
    margin-left: 30px;
}